Inflatable mattress



FIG. 1 is a front perspective view of an inflatable mattress according to the present invention;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a fragmentary cross-sectional view taken along lines 8-8 of FIG. 2 ;

FIG. 9 is a fragmentary cross-sectional view taken along lines 9-9 of FIG. 2 ;

FIG. 10 is a fragmentary cross-sectional view taken along lines 10-10 of FIG. 7 ;

FIG. 11 is an enlarged fragmentary cross-sectional view of a feature thereof shown in FIG. 8 ;

FIG. 12 is an enlarged fragmentary cross-sectional view of a feature thereof shown in FIG. 9 ; and,

FIG. 13 is an enlarged fragmentary cross-sectional view of a feature thereof shown in FIG. 10 .

The broken lines shown in the figures are for the purpose of illustrating portions of the inflatable mattress that form no part of the claimed design. The broken lines shown in FIGS. 8-13 are for the purpose of depicting areas of enlargement and forms no part of the claimed design. 

CLAIM The ornamental design for an inflatable mattress, as shown and described. 